package com.changgou.canal.config;

import org.springframework.amqp.core.*;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class RabbitMQConfig {

    public static final String GOODS_UP_EXCHANGE = "goods_up_exchange";
    public static final String GOODS_DOWN_EXCHANGE = "goods_down_exchange";

    public static final String AD_UPDATE_QUEUE = "ad_update_queue";
    public static final String SEARCH_ADD_QUEUE = "search_add_queue";
    public static final String SEARCH_DEL_QUEUE = "search_del_queue";
    public static final String PAGE_CREATE_QUEUE = "page_create_queue";

    //声明队列
    @Bean
    public Queue queue() {

        return new Queue(AD_UPDATE_QUEUE);
    }

    @Bean(SEARCH_ADD_QUEUE)
    public Queue searchAddQueue() {

        return new Queue(SEARCH_ADD_QUEUE);
    }

    @Bean(SEARCH_DEL_QUEUE)
    public Queue searchDelQueue() {

        return new Queue(SEARCH_DEL_QUEUE);
    }

    @Bean(PAGE_CREATE_QUEUE)
    public Queue pageCreateQueue() {

        return new Queue(PAGE_CREATE_QUEUE);
    }

    //声明交换机
    @Bean(GOODS_UP_EXCHANGE)
    public Exchange goodsUpExchange() {
        return ExchangeBuilder.fanoutExchange(GOODS_UP_EXCHANGE).durable(true).build();
    }

    @Bean(GOODS_DOWN_EXCHANGE)
    public Exchange goodsDownExchange() {
        return ExchangeBuilder.fanoutExchange(GOODS_DOWN_EXCHANGE).durable(true).build();
    }

    //队列和交换机绑定
    @Bean
    public Binding goodsUpExchangeBinding(@Qualifier(GOODS_UP_EXCHANGE) Exchange exchange,
                                          @Qualifier(SEARCH_ADD_QUEUE) Queue queue) {

        return BindingBuilder.bind(queue).to(exchange).with("").noargs();
    }

    @Bean
    public Binding pageCreateQueueBinding(@Qualifier(GOODS_UP_EXCHANGE) Exchange exchange,
                                          @Qualifier(PAGE_CREATE_QUEUE) Queue queue) {

        return BindingBuilder.bind(queue).to(exchange).with("").noargs();
    }

    @Bean
    public Binding goodsDownExchangeBinding(@Qualifier(GOODS_DOWN_EXCHANGE) Exchange exchange,
                                          @Qualifier(SEARCH_DEL_QUEUE) Queue queue) {

        return BindingBuilder.bind(queue).to(exchange).with("").noargs();
    }
}
